John Michael Ruby
Investment Adviser Representative at MAI Capital Management, LLC
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
John Michael Ruby is an investment adviser representative with MAI Capital Management, LLC in Cleveland, OH, where they have been registered since 2019. They have worked in the securities industry since 2007 and have been registered with 8 firms, including Mercer Global Advisors Inc. and Fifth Third Securities, Inc. They have passed 4 industry qualification exams, including the Series 66 (combined investment adviser and state securities agent), Series 7 (general securities representative), and Series 31 (managed futures). They are registered to provide investment advice in Ohio.
Office
Advisors at this office: 52
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- Ohio
Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.
Financial-firm registration history
Registration history as reported to FINRA, most recent first.
Reported employment history
Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.
- Mercer Global Advisors Inc.Aug 2015 – Jun 2018Columbus, OH
- Mercer Global Advisors Inc.Jul 2018 – Sep 2018Westerville, OH
- MAI Capital Management, LLCJan 2019 – no end date reportedCleveland, OH
- UnemployedOct 2018 – Dec 2018Aurora, OH
Official records & sources
Data as of August 9, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About MAI Capital Management, LLC
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
- Hourly
- Fixed fee
- Performance-based fees
- Other
- Firm account minimum
- $500,000 (waivable)
- Estimated blended rate
- 0.01
Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.
Services the firm offers
Client types the firm serves
Firm assets under management
$25B+
- Firm disclosures (Form ADV)
- No disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 298
- Offices listed on AdvisorFinder:
- 27
- Main office:
- Cleveland, OH
- SEC file number:
- 801-58104
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of October 1, 2026
View full firm profileOther advisors at MAI Capital Management, LLC
Showing 12 of 298 in the directory
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This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. John Michael Ruby has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.
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